Statutes, codes, and regulations
Wisconsin Administrative Code
Agency - Department of Natural ResourcesEnvironmental Protection - Wisconsin Pollutant Discharge Elimination SystemChapter NR 230 - Inorganic chemicals manufacturing
Subchapter XVII - Sodium dichromate and sodium sulfate
Section NR 230.172 - Effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available

Wis. Admin. Code Department of Natural Resources NR 230.172

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Current through November 25, 2024
Section NR 230.172 - Effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available

Except as provided in 40 CFR 125.30 to 125.32, any existing point source subject to this subchapter shall achieve the following effluent limitations representing the degree of effluent reduction attainable by the application of BPT:

Table 23

Sodium Dichromate

BPT Effluent Limitations

kg/kkg (pounds per 1,000 pounds) of sodium dichromate

Pollutant or pollutant property

Maximum for any 1 day

Average of daily values for 30 consecutive days

TSS

0.44

0.22

Hexavalent Chromium

0.00090

0.00050

Total Chromium

0.0088

0.0044

Nickel

0.0068

0.0034

pH

(1)

(1)

(1) Within the range of 6.0 to 9.0

Wis. Admin. Code Department of Natural Resources NR 230.172

Cr. Register, September, 1990, No. 417, eff. 10-1-90.